package com.qby.framework.web.page;


import com.qby.common.utils.ServletUtils;

/**
 * 表格数据处理
 *
 * @author ruoyi
 */
public class TableSupport {
    /**
     * 当前记录起始索引
     */
    public static final String PAGE_NUM = "pageNumber";

    /**
     * 每页显示记录数
     */
    public static final String PAGE_SIZE = "pageSize";

    /**
     * 排序列
     */
    public static final String ORDER_BY_COLUMN = "orderByColumn";

    /**
     * 排序的方向 "desc" 或者 "asc".
     */
    public static final String IS_ASC = "isAsc";

    /**
     * 封装分页对象
     */
    public static PageDomain getPageDomain() {
        PageDomain pageDomain = new PageDomain();
        String contentType = ServletUtils.getRequest().getContentType();
        if ("application/json".equals(contentType)) {
            pageDomain.setPageNum(ServletUtils.getAttributeToInt(PAGE_NUM));
            pageDomain.setPageSize(ServletUtils.getAttributeToInt(PAGE_SIZE));
            pageDomain.setOrderByColumn(ServletUtils.getAttribute(ORDER_BY_COLUMN));
            pageDomain.setIsAsc(ServletUtils.getAttribute(IS_ASC));
        } else {
            pageDomain.setPageNum(ServletUtils.getParameterToInt(PAGE_NUM));
            pageDomain.setPageSize(ServletUtils.getParameterToInt(PAGE_SIZE));
            pageDomain.setOrderByColumn(ServletUtils.getParameter(ORDER_BY_COLUMN));
            pageDomain.setIsAsc(ServletUtils.getParameter(IS_ASC));
        }
        return pageDomain;
    }

    public static PageDomain buildPageRequest() {
        return getPageDomain();
    }
}
